:root{
  --ink:#191713;--soft-ink:#5c5548;--paper:#fbf7ec;--paper2:#f0eadb;--card:#fffdf7;
  --gold:#a97917;--gold2:#d7b15a;--tea:#2f5b4e;--red:#8f2f24;--line:#e7dbc4;
  --shadow:0 24px 70px rgba(40,31,13,.10);--radius:24px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC","Microsoft YaHei",serif;color:var(--ink);background:radial-gradient(circle at 15% 0%,#fff7dc 0 18%,transparent 36%),linear-gradient(135deg,#fbf7ec 0%,#f4eddc 45%,#fffdf8 100%);line-height:1.78}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(90deg,rgba(120,80,20,.08) 1px,transparent 1px),linear-gradient(rgba(120,80,20,.06) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 88%)}a{color:var(--tea);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1180px,calc(100% - 44px));margin:auto}.top{position:sticky;top:0;z-index:20;background:rgba(255,253,247,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,219,196,.85)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:900;letter-spacing:.04em}.mark{width:42px;height:42px;border-radius:14px;background:conic-gradient(from 210deg,var(--gold),#f4dc8b,var(--tea),var(--gold));box-shadow:inset 0 0 0 2px rgba(255,255,255,.65),0 10px 28px rgba(169,121,23,.22);position:relative}.mark:after{content:"书";position:absolute;inset:0;display:grid;place-items:center;color:white;font-weight:900}.brand small{display:block;color:var(--gold);font-size:12px;font-family:"Microsoft YaHei",sans-serif;font-weight:700;letter-spacing:0}.links{display:flex;gap:18px;align-items:center;font-size:14px;font-family:"Microsoft YaHei",sans-serif}.pillbtn,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 18px;background:var(--ink);color:#fff!important;font-family:"Microsoft YaHei",sans-serif;font-weight:800;box-shadow:0 12px 28px rgba(25,23,19,.16)}.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)!important;box-shadow:none}.hero{padding:80px 0 46px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}.kicker{display:inline-flex;gap:10px;align-items:center;border:1px solid rgba(169,121,23,.35);background:rgba(255,253,247,.66);padding:8px 13px;border-radius:999px;color:#7a5612;font-family:"Microsoft YaHei",sans-serif;font-size:12px;font-weight:900;letter-spacing:.12em}.hero h1{font-size:58px;line-height:1.05;margin:20px 0 18px;letter-spacing:-.05em}.hero h1 span{color:var(--tea);position:relative}.hero p.lead{font-size:19px;color:var(--soft-ink);max-width:720px;margin:0 0 28px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.hero-card{background:linear-gradient(145deg,rgba(255,253,247,.95),rgba(255,248,231,.82));border:1px solid var(--line);border-radius:32px;padding:28px;box-shadow:var(--shadow);transform:rotate(1.2deg);position:relative}.hero-card:before{content:"";position:absolute;inset:18px;border:1px dashed rgba(169,121,23,.35);border-radius:22px;pointer-events:none}.stack{display:grid;gap:14px}.license{position:relative;z-index:1;background:#fff;border:1px solid #eadfca;border-radius:18px;padding:18px}.license b{display:block;font-size:18px}.license small{display:block;color:var(--soft-ink);font-family:"Microsoft YaHei",sans-serif}.notice{border-left:4px solid var(--gold);background:#fffaf0;border-radius:16px;padding:16px 18px;color:#5d4b1e;margin-top:20px}.section{padding:62px 0}.section.alt{background:rgba(255,253,247,.52);border-block:1px solid rgba(231,219,196,.7)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.eyebrow{color:var(--gold);font-family:"Microsoft YaHei",sans-serif;font-weight:900;letter-spacing:.12em;font-size:12px}.section h2{font-size:36px;line-height:1.15;margin:8px 0 0;letter-spacing:-.03em}.section-head p{max-width:520px;color:var(--soft-ink);margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:rgba(255,253,247,.92);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 14px 40px rgba(40,31,13,.055)}.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:var(--soft-ink)}.num{font-family:Georgia,serif;color:var(--gold);font-size:34px;font-weight:900;line-height:1}.matrix{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.book{min-height:160px;background:linear-gradient(160deg,#fff,#fff5dc);border:1px solid var(--line);border-radius:22px;padding:20px;position:relative;overflow:hidden}.book:after{content:"";position:absolute;right:-26px;bottom:-34px;width:110px;height:110px;border-radius:50%;background:rgba(47,91,78,.09)}.book b{display:block;font-size:19px;margin-bottom:8px}.tag{display:inline-block;border:1px solid #d8c490;background:#fffaf0;color:#765312;border-radius:999px;padding:3px 9px;font-size:12px;font-family:"Microsoft YaHei",sans-serif;margin:4px 4px 0 0}.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.source-list{display:grid;gap:12px}.source{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.source strong{display:block}.source span{color:var(--soft-ink);font-size:14px;font-family:"Microsoft YaHei",sans-serif}.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;counter-reset:step}.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;position:relative}.step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--gold);font-weight:900;font-family:Georgia,serif;font-size:25px}.boundary{background:#201b13;color:#f7ebd1;border-radius:30px;padding:34px;box-shadow:var(--shadow)}.boundary h2{color:#fff}.boundary p,.boundary li{color:#e9d9b7}.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.ok{color:#d8b75f}.no{color:#ffb2a9}.faq{display:grid;gap:12px}.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 20px}.faq summary{cursor:pointer;font-weight:900}.faq p{color:var(--soft-ink);margin-bottom:0}.cta{padding:58px 0}.cta-box{background:linear-gradient(135deg,var(--tea),#1d3932);color:#fff;border-radius:34px;padding:38px;display:grid;grid-template-columns:1.4fr .8fr;gap:24px;align-items:center;box-shadow:var(--shadow)}.cta-box h2{font-size:36px;margin:0 0 12px}.cta-box p{color:#e3efe9;margin:0}.footer{background:#17140f;color:#e8ddc9;padding:34px 0;font-family:"Microsoft YaHei",sans-serif;font-size:14px}.footgrid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.footer a{color:#f1d07e}.page{padding:52px 0}.page-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.page h1{font-size:38px;line-height:1.2}.page h2{margin-top:34px;border-left:5px solid var(--gold);padding-left:12px}.muted{color:var(--soft-ink)}.qrbox{border:1px dashed #d6c69f;border-radius:18px;padding:18px;background:#fff;text-align:center}.qrbox img{max-width:180px;border-radius:10px}.warn{background:#fff8e6;border:1px solid #ead28d;border-radius:16px;padding:15px 18px;color:#5e4a13}.mobile-note{display:none}@media(max-width:920px){.links{display:none}.mobile-note{display:block;color:var(--soft-ink);font-size:13px}.hero-grid,.matrix,.compare,.boundary-grid,.cta-box,.footgrid{grid-template-columns:1fr}.hero h1{font-size:42px}.grid3,.grid4,.book-grid,.flow{grid-template-columns:1fr}.section-head{display:block}.hero-card{transform:none}.section{padding:42px 0}}
.footer .guo{float:left;margin-right:6px;margin-top:2px}
.footer .guo img{height:18px;width:auto;border-radius:0}
/* 手机也显示国徽和备案图标 */@media(max-width:920px){.footer .guo{display:block;float:left;margin-right:6px;margin-top:0}.footer .footgrid{grid-template-columns:1fr}}
.footer .beian-icon{height:18px;width:auto;vertical-align:middle;margin:0 4px 2px 4px}
.footer .备案行{display:flex;align-items:center;line-height:18px;margin-bottom:3px}
.footer .guo{margin-right:6px}
.footer .beian-icon{height:18px;width:auto;margin-right:4px}
.footer .space{display:inline-block;width:calc(18px + 6px + 18px + 4px);}